Monitor



FIG. 1 is a perspective view of a monitor, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The shade lines in the figures show contour and not surface ornamentation. The diagonal lines in FIGS. 1 and 2 represent a reflective surface. 

CLAIM The ornamental design for a monitor, as shown and described. 